Film industry defenders of the Hollywood Ten formed the Committee for the First Amendment to protest their conviction. Here Humphrey Bogart and Lauren Bacall lead the Committee's delegation of protest to a Washington, D.C., hearing.

Dalton Trumbo, one of the Hollywood Ten, is dragged away from the witness stand after refusing to cooperate with HUAC's investigation into Communism in Holllywood. Trumbo left his hearing shouting "This is the beginning of the American concentration camp!" and was later jailed for contempt of Congress.